taxes Property Tax Assistance

2017 Confidence Interval Detail

170/Montgomery
093-905/Richards ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 3,873,970 0.9079 4,266,957 8 49 .010659650
A 3,944,710 0.9865 3,998,692 8 29 .015738001
A 7,883,720 1.0269 7,677,203 8 27 .012521698
E 10,332,480 0.9150 11,292,328 9 74 .029023143
Random Totals: 26,034,880   27,235,180 33 179  
Catg D1 Exception Values: 2,942,055   2,571,005      
Total Test Values (4): 28,976,935   29,806,185      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,490,309

Confidence Interval Values (5)

State Lower Limit: 28,315,876 (State Test Value minus Margin of Error Percent)
Local Test Value: 28,976,935 (Within Confidence Interval)
State Upper Limit: 31,296,494 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 27,598,037 (See ISD Summary Worksheet)

Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories